Patent · US Expired

Light-receiving device

US6690079B2 · kind B2 · utility

9Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2002
Grant dateFeb 10, 2004
Priority date
Expiry dateApr 15, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F30/222

Abstract

The invention relates to a back-illuminated type light-receiving device. The light-receiving device can be used for a wide frequency range. The device has a structure in which a p-type semiconductor layer and an n-type semiconductor layer are successively stacked on the front side of the semiconductor substrate. A light-receiving portion is provided on the back side of the substrate. A dopant diffusion suppressing layer may be provided between the substrate and the p-type layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.